Finding the Fourth Proportional to 142,411.38, 213,663.83 and 58,242.33

Step by Step Solution

1. Step 1: Write the proportion equation
   142,411.38 : 213,663.83 = 58,242.33 : x
2. Step 2: Convert to fraction form
   142,411.38/213,663.83 = 58,242.33/x
3. Step 3: Cross multiply
   142,411.38x = 213,663.83 × 58,242.33
4. Step 4: Simplify right side
   142,411.38x = 12,444,279,295.92
5. Step 5: Solve for x
   x = 12,444,279,295.92/142,411.38
6. Step 6: Final answer
   x = 87,382.62